Delhi chief minister Arvind Kejriwal arrived in Chandigarh on Wednesday for a meeting with his Haryana counterpart to discuss air pollution and the issue of stubble burning that is a major contributory factor. Twitter @AamAadmiParty

Delhi chief minister Arvind Kejriwal arrived in Chandigarh on Wednesday for a meeting with his...

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Speaking about the meeting, Kejriwal said that his meeting with Khattar indicated that collective leadership is needed to tackle the issue of air pollution. Twitter @AamAadmiParty

Speaking about the meeting, Kejriwal said that his meeting with Khattar indicated that collective...

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Khattar called air pollution a "common concern" and said that Haryana will work towards ensuring that Delhi has better air quality levels. We belong to different territories but we have no control over the air, Delhi chief minister added. Twitter @AamAadmiParty

Khattar called air pollution a "common concern" and said that Haryana will work towards ensuring...

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Air quality in the National Capital Region saw a marginal improvement from "severe plus" to "severe" on Tuesday. Reuters

Air quality in the National Capital Region saw a marginal improvement from "severe plus" to...

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The 24-hour average air quality index (AQI) of the Central Pollution Control Board (CPCB) was 308 on Tuesday, which falls in the 'very poor' category, following a week-long smog episode when pollutants shot up to emergency levels. Reuters

The 24-hour average air quality index (AQI) of the Central Pollution Control Board (CPCB) was 308...